Perkins 1104E Series Troubleshooting Manual page 96

96
Troubleshooting Section
•
262-04 5 Volt Sensor Power Supply, voltage less
than normal
Results:
•
Active – Proceed to Test Step 3.
•
Logged ONLY – Proceed to Test Step 5.
•
Not Active or Logged – The +5 V supply is
operating correctly at this time. STOP.
Test Step 3. Disconnect The ECM Engine
Harness Connector From The ECM.
A. Connect the electronic service tool to the
diagnostic connector.
Batteries give off flammable fumes which can ex-
plode.
To avoid injury or death, do not strike a match,
cause a spark, or smoke in the vicinity of a battery.
NOTICE
Do Not connect the bypass harness to the battery un-
til the 20 Amp in-line fuse has been removed from the
+Battery line. If the fuse is not removed before con-
nection to the battery, a spark may result.
B. Turn the keyswitch to the OFF position while the
engine is off.
RENR2696-01